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    <title>Document</title>
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        // ?.
        function send(config) {
            console.log(config && config.person && config.person.name)
            console.log(config?.person?.name)
            console.log(config?.person1?.name)
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        send({
            person: {
                name: 'js'
            },
            user: {
                age: 18
            }
        })
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